Results 11 to 20 of about 2,638,696 (303)

Issues on optimization of operating modes of power transformers [PDF]

open access: yesE3S Web of Conferences, 2019
The article presents measure to optimize the operating modes of power transformers in order to minimize losses of electrical energy. The influence of actual voltage and service life of power transformers on electric power losses is shown. It was proposed
Alyunov A.N.   +4 more
doaj   +2 more sources

THE LOADING OF THE DETACHABLE MODULAR CONCEPTS FOR STRATEGIC CARGO UNDER OPERATING MODES [PDF]

open access: yes
The loading of the detachable modular concepts for strategic cargo under operating modes. Monograph / Alyona Lovska. Riga, Latvia : Baltija Publishing, 2025.
Lovska, Alyona
core   +13 more sources

Operating modes of stage-1 converter.

open access: yes, 2022
Operating modes of stage-1 converter.
Selvakumar R. B. (12009610)   +1 more
core   +1 more source

Ensuring the Reliability and Efficiency of the Power Industry in the Agricultural Sector of the Republic of Belarus in Modern Conditions

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2020
The necessity of improving the power supply system in the agricultural sector is substantiated by the growing share of first-category loads that require targeted reliability. Improving values of the technical and economic indicators of centralized energy
I. V. Protosovitskii   +3 more
doaj   +1 more source

Distribution Features of Flow Patterns and Pressure Pulsations of Pump-Turbine in Five Operating Modes on the Four-Quadrant Plane

open access: yesFrontiers in Energy Research, 2022
To meet the demand of the power grid for flexible regulation, pump turbines have to frequently and fleetly stop, start, and transition between different modes, causing many instability problems.
Dongliang Hu   +5 more
doaj   +1 more source

Asymmetrical current generator operating modes in battery charging [PDF]

open access: yes, 2018
This paper presents the investigation of the different operating modes of the asymmetrical quasi-sinusoidal output current inductive-switch generator. The purpose of investigation is to find the most effective operation mode where an acceptable output ...
I V Ermoeva   +5 more
core   +1 more source

Unified ZVS strategy for DAB with triple-phase-shift modulation in boost mode

open access: yesThe Journal of Engineering, 2019
In this study, the switching mode and working waveform of dual active bridge (DAB) converter under triple phase-shift modulation scheme is analysed, and an ALL-ZVS (zero voltage switching) control strategy of all devices for full-power range with voltage
Jian Qiu   +4 more
doaj   +1 more source

COMPREHENSIVE ANALYSIS OF THE ABSORPTION LITHIUM BROMIDE REFRIGERATING MACHINE AS PART OF THE CCGT-110 AND ALBRM POWER SYSTEM

open access: yesВестник Дагестанского государственного технического университета: Технические науки, 2021
Objective. The use of an absorption lithium bromide refrigerating machine  for cooling the cycle air before the gas turbine unit of a combined-cycle gas  turbine in a hot climate has proven its effectiveness.
L. V. Galimova, D. Z. Bayramov
doaj   +1 more source

ANALYSIS OF OPTIMUM OPERATING MODES OF POWER TRANSFORMERS UNDER OPERATING CONDITIONS

open access: yesElectrical engineering & Electromechanics, 2016
Purpose. The study of parallel operation optimal modes of transformer equipment for a variety of operating conditions: same or different types of transformers, with or without reactive power flows. Methodology.
I. V. Khomenko   +2 more
doaj   +1 more source

Substantiation of performance indicators of mine monorail locomotives

open access: yesГорные науки и технологии, 2021
Mine transport is an integral part of mining process. The performed analysis of modern monorail autonomous locomotives indicates that this type of underground auxiliary transport is the most promising today due to a number of advantages that were ...
Konstantin A. Ryabko   +1 more
doaj   +1 more source

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